Title:
Polypropylene-butyl rubber blends
United States Patent 2939860
Inventors:
Schramm, Charles K.
Publication Date:
06/07/1960
Export Citation:
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Assignee:
EXXON RESEARCH ENGINEERING CO
Primary Class:
525/232
Other Classes:
138/DIG.7, 524/222, 524/525
International Classes:
C08L23/10; C08L23/12; C08L21/00; C08L53/02; C08L23/00; C08L21/00; C08L53/00
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US Patent References:
2569541Electrical insulation comprising polyethylene, polyisobutylene, isobutylene-diolefin copolymer, and lubricant
2472495Condensation product of a polyhalogenated aliphatic hydrocarbon and a copolymer of a polymerizable cyclic compound and an unsaturated aliphatic hydrocarbon